UPD16682A Datasheet, PDF (1/55 Pages) NEC – 1/65 DUTY LCD CONTROLLER/DRIVER WITH ON-CHIP RAM

DATA SHEET
MOS INTEGRATED CIRCUIT
µ PD16682A
1/65 DUTY LCD CONTROLLER/DRIVER WITH ON-CHIP RAM
DESCRIPTION
The µ PD16682A is a LCD controller/driver that includes enough RAM capacity to drive full-dot LCD displays. Each
chip can drive a full-dot LCD display consisting of up to 132 x 65 dots.
This chip is suitable for cellular phones, Japanese or Chinese-language pagers, and other devices that display
Japanese or Chinese characters using either 16 x 16 or 12 x 12 dots per character.
FEATURES
• LCD controller/driver with on-chip display RAM
• Able to operate using +3-V single power supply
• On-chip booster circuit: switchable between 3x and 4x modes
• RAM for dot displays: 132 x 65 bits
• Outputs : 132 segments, 65 commons
• Serial or 8-bit parallel data inputs (switchable between 80 and 68 series CPUs)
• On-chip divider resistor
• Selectable bias settings (can be set as 1/9 or 1/7 bias)
• On-chip oscillation circuit
5 ORDERING INFORMATION
Part number
µ PD16682AW
µ PD16682AP
Package
Wafer
Chip
Remark Purchasing the above products in term of chips per requires an exchange of other documents as well,
including a memorandum on the product quality. Therefore those who are interested in this regard are
advised to contact one of our sales representatives.
The information in this document is subject to change without notice. Before using this document, please
confirm that this is the latest version.
Not all devices/types available in every country. Please check with local NEC representative for
availability and additional information.
Document No. S14402EJ1V0DS00 (1st edition) _{The mark 5 shows major revised points.}
Date Published February 2001 NS CP(K)
Printed in Japan
©
1999